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Structural Health Monitoring of Composite Structures

Schmidt, Daniel and Hillger, Wolfgang and Szewieczek, Artur and Sinapius, Michael and Wierach, Peter (2011) Structural Health Monitoring of Composite Structures. 10. Magdeburger Maschinenbau-Tage, 27.- 29. Sept. 2011, Magdeburg, Deutschland.

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Structural Health Monitoring (SHM) based on ultrasonic guided waves, so-called Lamb waves, is a promising method for in-service inspection of composite structures without time consuming scan-ning like conventional ultrasonic techniques. Lamb waves are able to propagate over large dis-tances and can be easily excited and received by a network of piezoceramic actuators and sen-sors. In principle different kinds of structural defects can be detected and located by analyzing the sensor signals. The paper describes diverse research activities in the topic of Structural Health Monitoring. These activities are concentrating on the visualisation of Lamb wave propagation fields based on air-coupled ultrasonic technique, the simulation of virtual sensors, mode selective actua-tors as well as manufacturing of actuator and sensor networks. Furthermore, the paper shows the development of a SHM system for impact detection in a helicopter tailboom (Eurocopter - EC 135).

Document Type:Conference or Workshop Item (Paper)
Title:Structural Health Monitoring of Composite Structures
AuthorsInstitution or Email of Authors
Schmidt, DanielUNSPECIFIED
Hillger, WolfgangUNSPECIFIED
Szewieczek, ArturUNSPECIFIED
Sinapius, MichaelUNSPECIFIED
Date:September 2011
Keywords:Structural Health Monitoring (SHM), Lamb waves, Mode selective actuator, Virtual sensor, Com-posite structure
Event Title:10. Magdeburger Maschinenbau-Tage
Event Location:Magdeburg, Deutschland
Event Type:national Conference
Event Dates:27.- 29. Sept. 2011
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Structures & Materials
Location: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems > Multifunctional Materials
Deposited By: Isolde Böhringer-Thelen
Deposited On:21 Mar 2012 12:24
Last Modified:21 Mar 2012 12:24

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